33221233120 has 48 divisors (see below), whose sum is σ = 81897570720. Its totient is φ = 12710731264.

The previous prime is 33221233093. The next prime is 33221233121. The reversal of 33221233120 is 2133212233.

It is a super-2 number, since 2×33221233120² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33221233091 and 33221233100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33221233121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4510075 + ... + 4517434.

It is an arithmetic number, because the mean of its divisors is an integer number (1706199390).

Almost surely, 2^33221233120 is an apocalyptic number.

It is an amenable number.

33221233120 is an abundant number, since it is smaller than the sum of its proper divisors (48676337600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33221233120 is a wasteful number, since it uses less digits than its factorization.

33221233120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9027547 (or 9027539 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 33221233120 its reverse (2133212233), we get a palindrome (35354445353).

The spelling of 33221233120 in words is "thirty-three billion, two hundred twenty-one million, two hundred thirty-three thousand, one hundred twenty".